Grade 6 Science Worksheets

Learning Objectives

• Explain how genetic variation and environmental factors can produce phenotypic variation in organisms.
• Use examples (inheritance, nutrition, and temperature-dependent expression) to describe how traits change across development and populations.
• Connect DNA sequence changes and environmental/epigenetic influences to differences in structure and function.

Learning Objectives

• Understand what air density is and how it affects buoyancy and aerodynamic forces.
• Identify the effects of temperature, humidity, and altitude on air density.
• Explain how local atmospheric conditions influence lift generation on wings.+ Show more

Learning Objectives

• Explain how the particle model describes solids, liquids, and gases using particle motion and spacing.
• Connect microscopic particle behavior to macroscopic properties such as shape, volume, flow, and compressibility.
• Use particle model vocabulary (solid, liquid, gas, particles, motion, spacing, arrangement) to describe everyday examples.

Learning Objectives

• Identify observable traits and use them to classify organisms at familiar habitats
• Explain how a hierarchy of categories (kingdom to species) helps scientists group living things
• Use a dichotomous key to classify an organism by choosing between paired traits

Learning Objectives

• Understand the law of conservation of mass and how it applies to closed and open systems.
• Identify differences between physical and chemical processes in terms of mass.
• Apply principles of mass conservation to real-world experiments and observations.+ Show more

Learning Objectives

• Explain how different types of pollution enter ecosystems and affect living things
• Describe processes such as bioaccumulation, biomagnification, and eutrophication
• Identify evidence of ecosystem damage caused by pollutants, including dead zones+ Show more

Learning Objectives

• Explain how human activities can change natural systems and affect community composition and population viability.
• Describe the effects of habitat fragmentation, pollution, land-use change, nonnative species, and resource extraction on ecosystems.
• Use examples (like altered waterways and urban expansion) to predict how species distributions and genetic diversity may shift.+ Show more

Learning Objectives

• Explain the rearrangement idea using atomic models (atoms break apart from reactants and recombine in products).
• Connect rearranged atomic combinations to observable properties of products (such as gas release or solid formation).
• Distinguish mixing from chemical reactions by focusing on new arrangements and new combinations.

Learning Objectives

• Explain the concept of heritability and how genetic variation contributes to adaptive traits.
• Distinguish between heritable and environmental influences on traits.
• Describe basic mechanisms of inheritance and how traits can shift allele frequencies over generations.+ Show more

Learning Objectives

• Explain how oceans absorb, store, and release heat more slowly than land.
• Describe how ocean heat content can influence evaporation, humidity, and weather patterns.
• Connect ocean circulation and moisture supply to milder coastal temperatures and early climate signals.

Learning Objectives

• Understand the key life processes that occur within cells, including photosynthesis and cellular respiration.
• Describe how diffusion and transport mechanisms support material movement across cell membranes.
• Explain how these processes maintain conditions necessary for growth, repair, and reproduction in organisms.

Learning Objectives

• Understand the principles of relative and absolute dating
• Learn about the division of Earth's history into geologic periods
• Identify methods used to determine the age of rocks and fossils+ Show more

Learning Objectives

• Understand the basic features of parallel circuits
• Identify components and pathway structures in parallel wiring
• Explain how potential difference and current behave in parallel circuits+ Show more

Learning Objectives

• Explain what makes a scientific prediction testable and linked to an explanation or model
• Describe how evidence supports or challenges a prediction and how scientists refine models
• Identify criteria for evaluating results and interpret measurement uncertainty

Learning Objectives

• Differentiate physical changes from chemical changes using observable evidence such as gas formation, precipitate formation, permanent color change, and temperature change.
• Identify which evidence is more consistent with chemical change versus physical change.
• Explain how conservation of matter applies to both physical and chemical changes.

Learning Objectives

• Identify the roles of ammeters and voltmeters in electrical circuits.
• Understand measurement units: amperes and volts.
• Comprehend how instruments are connected in series and parallel circuits.+ Show more

Learning Objectives

• Describe the gravitational relationships between the Sun, Earth, and Moon.
• Explain how the relative positions of celestial bodies cause phases, eclipses, and tides.
• Identify geometric configurations that lead to observable lunar and solar phenomena.+ Show more

Learning Objectives

• Explain how the masses of the Sun, Earth, and Moon affect gravitational interactions and orbital relationships.
• Describe the role of the Earth–Moon barycenter in how Earth and Moon move around each other.
• Use gravitational ideas to connect mutual motion and stable orbital patterns.+ Show more

Learning Objectives

• Explain how roll, pitch, and yaw controls can influence each other through control coupling
• Describe how differential drag during roll can cause adverse yaw
• Identify ways aircraft designers reduce unwanted coupled moments (e.g., differential and Frise ailerons, trim, control mixers)

Learning Objectives

• Identify how the relative positions of the Sun, Earth, and Moon determine the Moon’s visible phases.
• Use a geometric model to predict which phase (crescent, quarter, gibbous, or full) matches a viewpoint.
• Explain how the Moon’s illuminated fraction appears to change over about one lunar month.

Learning Objectives

• Understand the concept of control surfaces in aircraft.
• Learn about aerodynamic interactions such as adverse yaw and control coupling.
• Identify techniques used to mitigate unwanted control effects.+ Show more

Learning Objectives

• Understand the purpose of prototype evaluation in science projects.
• Identify different types of data used to assess prototypes.
• Learn how to interpret measurements and observations to improve models.+ Show more

Learning Objectives

• Understand the role of decomposers in ecosystems
• Identify different types of decomposers such as fungi and bacteria
• Explain how decomposers return nutrients to the environment+ Show more

Learning Objectives

• Explain how negative feedback helps maintain internal stability (homeostasis) in the body.
• Identify the roles of sensors, control centers, and effectors in feedback control systems.
• Compare negative and positive feedback by describing how each changes the direction of change.

Learning Objectives

• Identify independent, dependent, and controlled variables in a simple science test.
• Explain why keeping controlled variables the same makes a comparison fair.
• Use operational definitions to describe variables clearly.

Learning Objectives

• Understand the causes of day and night as Earth rotates.
• Describe how Earth's orbit and tilt cause seasons.
• Explain the Moon's phases and their recurring pattern.+ Show more

Learning Objectives

• Explain how photovoltaic, wind, and hydro systems transform one form of energy into electrical energy.
• Describe how energy losses (heat and friction) limit the net usable energy from renewable sources.
• Connect storage and conversion choices to conservation of energy and practical limits.

Learning Objectives

• Explain how monomers form polymers through condensation reactions and how polymers are broken down by hydrolysis.
• Identify major biological macromolecules (proteins, nucleic acids, lipids, carbohydrates) and name their monomers.
• Describe how enzymes help reactions happen and how transport across membranes relates to molecular structure.

Learning Objectives

• Understand the properties that make materials good insulators.
• Compare different insulating materials like rubber, glass, and dry wood.
• Explain how insulators prevent charge flow and support electrical safety.+ Show more

Learning Objectives

• Understand the concept of adaptations and their role in survival.
• Identify different types of structural adaptations in organisms.
• Explain how adaptations provide advantages for resource acquisition, defense, and reproduction.+ Show more

Learning Objectives

• Explain how erosion transports rock and sediment using agents like water, wind, ice, and gravity.
• Describe how deposition occurs when transporting agents lose energy.
• Connect erosion and deposition to landforms such as river valleys, deltas, dunes, and coastal beaches.+ Show more

Learning Objectives

• Understand the basic principles of streamlining
• Identify common features that reduce aerodynamic resistance
• Recognize practical examples of streamlined objects+ Show more

Learning Objectives

• Explain how gravitational attraction depends on mass and distance.
• Compare and contrast gravitational forces with contact forces like friction.
• Use examples such as the Earth-Moon system and planetary orbits to illustrate gravitational interactions.+ Show more

Learning Objectives

• Define systematic observation and explain how to plan data collection before measuring or recording.
• Distinguish qualitative notes from quantitative measurements and choose appropriate units.
• Use observation logs to improve accuracy by reducing bias and maintaining consistent sampling over time.+ Show more

Learning Objectives

• Compare conservation strategies, habitat restoration, protected area design, and invasive species management using evidence from case studies.
• Evaluate ecological trade-offs and feasibility when solutions are applied to support biodiversity and ecosystem services.
• Explain how biodiversity supports pollination, water purification, and nutrient cycling under changing environmental pressures.

Learning Objectives

• Identify abiotic factors (nonliving physical/chemical conditions) that shape habitat conditions.
• Explain how abiotic gradients (such as moisture, light, and temperature) affect where organisms can survive and reproduce.
• Describe examples of seasonal or local changes in abiotic factors that influence organism behavior and population fluctuations.

Learning Objectives

• Identify key vocabulary related to earthquakes and volcanic activity
• Explain how tectonic plate movement can cause earthquakes
• Describe how stress builds and energy is released along faults+ Show more

Learning Objectives

• Explain how airfoil geometry affects pressure distribution
• Compare simplified Bernoulli and Newtonian ideas about lift
• Describe how angle of attack influences lift+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Understand different disturbance regimes that influence forest ecosystems.
• Identify characteristics of fire, insect outbreaks, windthrow, flooding, and human disturbance.
• Explain how disturbance frequency, intensity, and spatial extent affect regeneration patterns.+ Show more

Learning Objectives

• Explain how heat energy transfers by conduction, convection, and radiation
• Identify evidence of each heat transfer mechanism in everyday situations
• Predict temperature or state changes based on the dominant heat transfer pathway

Learning Objectives

• Explain how carbon moves through producers, consumers, and decomposers
• Describe the role of photosynthesis, respiration, and decomposition in the carbon cycle
• Use cause-and-effect reasoning to trace how carbon transforms in an ecosystem

Learning Objectives

• Understand the function and purpose of control surfaces such as ailerons, elevators, and rudders.
• Describe how deflection of control surfaces influences aircraft movement, including rolling, pitching, and yawing.
• Identify real-world examples of control surface use in aviation scenarios.

Learning Objectives

• Understand basic principles of aerodynamics including lift, drag, and stability.
• Identify how modifications to wing shape and surface affect flight performance.
• Apply aerodynamic concepts to real-world devices like kites and model gliders.+ Show more

Learning Objectives

• Explain the gravitational relationships between the Sun, Earth, and Moon.
• Describe how relative positions of the Sun, Earth, and Moon influence lunar phases.
• Understand the geometric conditions causing solar and lunar eclipses.+ Show more

Learning Objectives

• Identify patterns in environmental data by describing trends, cycles, and anomalies
• Use descriptive statistics and moving averages to interpret data more clearly
• Explain how seasonal decomposition and graphs help reveal recurring patterns+ Show more

Learning Objectives

• Understand what a food chain is and how it illustrates energy transfer
• Identify different organisms at various levels in a food chain
• Recognize the importance of each organism within an ecosystem

Learning Objectives

• Understand the factors that influence changes in population size over time.
• Identify differences between exponential and logistic growth models.
• Explain how density-dependent and density-independent factors affect populations.+ Show more